cd $HOME/ffmpeg
if [ "x$1" == "xteletext" ]
then
  TELETEXT=--enable-teletext-zvbi
else
  TELETEXT=""
fi
./configure --enable-libaacplus --enable-libx264 --enable-libx265 --enable-libvpx --enable-libaacplus \
  --enable-libtheora --enable-libvorbis $TELETEXT --enable-gpl --enable-nonfree

